Diff: Core/TCPConnection.cpp

Revision:

0:0791c1fece8e

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Core/TCPConnection.cpp	Tue Sep 18 14:41:24 2012 +0000
@@ -0,0 +1,103 @@
+#include "lwip/arch.h"
+
+#include "dns.h"
+
+#include "TCPConnection.h"
+#include "TCPListener.h"
+#include "NetServer.h"
+
+using namespace std;
+using namespace mbed;
+
+void TCPConnection::dnsreply_callback(const char *name, struct ip_addr *ipaddr, void *arg) {
+  TCPConnection *connection = static_cast<TCPConnection *>(arg);
+  if(connection) {
+    (connection->dnsreply)(name, ipaddr);
+  }
+}
+
+err_t TCPConnection::connected_callback(void *arg, struct tcp_pcb *pcb, err_t err) {
+  TCPConnection *connection = static_cast<TCPConnection *>(arg);
+  LWIP_UNUSED_ARG(pcb);
+  if(connection) {
+    return (connection->connected)(err);
+  }
+  return ERR_OK;
+}
+
+err_t TCPConnection::sent_callback(void *arg, struct tcp_pcb *pcb, u16_t space) {
+  TCPConnection *connection = static_cast<TCPConnection *>(arg);
+  LWIP_UNUSED_ARG(pcb);
+  if(connection) {
+    return (connection->sent)(space);
+  }
+  return ERR_OK;
+}
+
+err_t TCPConnection::recv_callback(void *arg, struct tcp_pcb *pcb, struct pbuf *p, err_t err) {
+  TCPConnection *connection = static_cast<TCPConnection *>(arg);
+  LWIP_UNUSED_ARG(pcb);
+  if(connection) {
+    return (connection->recv)(p, err);
+  }
+  return ERR_OK;
+}
+
+err_t TCPConnection::poll_callback(void *arg, struct tcp_pcb *pcb) {
+  TCPConnection *connection = static_cast<TCPConnection *>(arg);
+  LWIP_UNUSED_ARG(pcb);
+  if(connection) {
+    return (connection->poll)();
+  }
+  return ERR_OK;
+}
+
+void TCPConnection::error_callback(void *arg, err_t erra) {
+  TCPConnection *connection = static_cast<TCPConnection *>(arg);
+  if(connection) {
+    (connection->err)(erra);
+  }
+}
+
+TCPConnection::TCPConnection() : _parent(NULL), _port(0) {
+}
+
+TCPConnection::TCPConnection(struct ip_addr ip, u16_t port) : _parent(NULL) {
+  this->_ipaddr = ip;
+  this->_port   = port;
+}
+
+TCPConnection::TCPConnection(TCPListener *parent, struct tcp_pcb *pcb)
+  : TCPItem(pcb), _parent(parent), _ipaddr(pcb->remote_ip), _port(pcb->remote_port) {
+  tcp_arg(this->_pcb, static_cast<void *>(this));
+  connected(ERR_OK);
+}
+
+TCPConnection::~TCPConnection() {
+}
+
+err_t TCPConnection::write(void *msg, u16_t len, u8_t flags) const {
+  return tcp_write(this->_pcb, msg, len, flags);
+}
+    
+void TCPConnection::recved(u32_t len) const {
+  tcp_recved(this->_pcb, len);
+}
+
+err_t TCPConnection::connected(err_t err) {
+  tcp_recv(this->_pcb, TCPConnection::recv_callback);
+  tcp_sent(this->_pcb, TCPConnection::sent_callback);
+  tcp_poll(this->_pcb, TCPConnection::poll_callback, 1); // addjust time (in twice a sec)
+  tcp_err(this->_pcb,  TCPConnection::error_callback);
+  return ERR_OK;                                                    
+}
+
+void TCPConnection::connect() {
+  NetServer::ready();
+  open();
+  tcp_connect(this->_pcb, &this->_ipaddr, this->_port, TCPConnection::connected_callback); 
+}
+
+err_t TCPConnection::dnsrequest(const char *hostname, struct ip_addr *addr) const {
+  return dns_gethostbyname(hostname, addr, TCPConnection::dnsreply_callback, (void *)this);
+}